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ABCD has area equal to 28. BC is parallel to AD. BA is perpendicular to AD. If BC is 6 and AD is 8, then what is CD?
  • a)
    2√2
  • b)
    2√3
  • c)
    4
  • d)
    2√5
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
ABCD has area equal to 28. BC is parallel to AD. BA is perpendicular t...
The given shape is a trapezium.
Area of a trapezium  
28 = 
Height = 4.

BA is perpendicular to BC and AD.

So, drop a line parallel to BA from C to meet AD at E.
CED is a right triangle with side CE measuring 4 and ED measuring 2 units.

Hence, CD, the measure of the hypotenuse = 
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ABCD has area equal to 28. BC is parallel to AD. BA is perpendicular to AD. If BC is 6 and AD is 8, then what is CD?a)2√2b)2√3c)4d)2√5Correct answer is option 'D'. Can you explain this answer?
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